2-Butanone / Methyl Ethyl Ketone

SECTION 2: Hazards identification

29 CFR 1910.1200) Emergency overview DANGER! Extremely flammable liquid and vapor - vapor may cause flash fire. Will be easily ignited by heat, spark or flames. Harmful if inhaled. Harmful if swallowed - may enter lungs if swallowed or vomited. Causes skin and eye irritation. Causes respiratory tract irritation. High vapor concentrations may cause drowsiness and irritation of the eyes or respiratory tract. Prolonged exposure may cause chronic effects.

Principle Routes of Exposure

Inhalation. Ingestion. Skin contact. Eye contact. Eyes: Causes eye irritation. High vapor/aerosol concentrations may be irritating. Skin: May be harmful if absorbed through skin. Causes skin irritation. Prolonged or repeated contact with skin may cause redness, itching, irritation and eczema/chapping. Inhalation: Harmful if inhaled. May cause irritation to the mucous membranes and upper respiratory tract. In high concentrations, vapors and aerosol mists have a narcotic effect and may cause headache, fatigue, dizziness and nausea. Ingestion: May be harmful if swallowed. Irritating. May cause nausea, stomach pain and vomiting. Ingestion may result in vomiting; aspiration (breathing) of vomitus into lungs must be avoided as even small quantities may result in aspiration pneumonitis. Target organs: Eyes. Skin. Respiratory system. Central nervous system.

Potential chronic health

Organic solvents may be absorbed into the body by inhalation and cause permanent damage to the nervous system, including the brain. Frequent or prolonged contact may defat and dry the skin, leading to discomfort and dermatitis.

Environmental effects

The product components are not classified as environmentally hazardous. However, this does not exclude the possibility that large or frequent spills can have a harmful or damaging effect on the environment.